21840207

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 29834880

約数和(自身を除く): 7994673

約数列:

[1, 3, 59, 163, 177, 489, 757, 2271, 9617, 28851, 44663, 123391, 133989, 370173, 7280069, 21840207]

約数ペア:

[(1, 21840207), (3, 7280069), (59, 370173), (163, 133989), (177, 123391), (489, 44663), (757, 28851), (2271, 9617)]